What's the need for XHTML?

Question

In an interview I was asked a question that I\'d never thought about, which was \"We already have HTML which fulfills all the requirements of writing a web page, so what\'s

Answer 1

XHTML also allows you to embed other XML dialects like MathML, Ruby, SVG, etc. (You can also embed XHTML in other XML dialects, if desired.)

If you are just 'making a web page', you don't necessarily need XHTML. But if you are programmatically generating a page, you might find that the tools for generating XML are better than those that generate HTML.